20 Two objects X and Y are placed on a balance. The balance tilts as shown.
X
What does this show about the masses and weights of objects X and Y?
masses
weights
A
X has less mass than Y
X has less weight than Y
B
X has less mass than Y
X has more weight than Y
с
X has the same mass as Y
X has less weight than Y
D
X has the same mass as Y
X has more weight than Y

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

Which factor is likely to impact the possible number of compounds ?

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added